Circuit determine the solution to display 7segment in signal circuit and signal integrated circuits are integrated phase-locked loop frequency control to assist as needed. To provide a more accurate measurement .
Count cycle to find out the distance value display with signal generator circuit and the 7Segment integrated circuit signal is phase-locked loop circuit helped provide a frequency as needed. In order to provide more precise measurements of
since the circuit to find the distance from the display with 7 Segment signal circuits and integrated circuit signal is phase-locked loop, help control the frequency of the need to provide more accurate measurement of